From owner-freebsd-questions@FreeBSD.ORG Mon Jul 10 23:14:16 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4C14416A5F1 for ; Mon, 10 Jul 2006 23:14:16 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from pi.codefab.com (pi.codefab.com [199.103.21.227]) by mx1.FreeBSD.org (Postfix) with ESMTP id CED6543D45 for ; Mon, 10 Jul 2006 23:14:15 +0000 (GMT) (envelope-from cswiger@mac.com) Received: from localhost (localhost [127.0.0.1]) by pi.codefab.com (Postfix) with ESMTP id 37BAD60EB; Mon, 10 Jul 2006 19:14:15 -0400 (EDT) X-Virus-Scanned: amavisd-new at codefab.com Received: from pi.codefab.com ([127.0.0.1]) by localhost (pi.codefab.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VMXqTSZrdc8o; Mon, 10 Jul 2006 19:14:13 -0400 (EDT) Received: from [192.168.1.251] (pool-68-161-117-245.ny325.east.verizon.net [68.161.117.245]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by pi.codefab.com (Postfix) with ESMTP id A63905D00; Mon, 10 Jul 2006 19:14:12 -0400 (EDT) Message-ID: <44B2DF3B.6010303@mac.com> Date: Mon, 10 Jul 2006 19:14:03 -0400 From: Chuck Swiger User-Agent: Thunderbird 1.5.0.4 (Windows/20060516) MIME-Version: 1.0 To: Ensel Sharon References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: Sanity-check for my (working) ipfw rules please... X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Jul 2006 23:14:16 -0000 Ensel Sharon wrote: [ ... ] > Two questions: is it appropriate to have line 01000 above all of my > bad-behavior lines ? "established" means "ACK and not SYN", basicly. Your "bad behavior" rules wouldn't really match anything which matches established, but it's probably better to block known-bad stuff earlier on. However, it's not the same thing as stateful tracking, which you might want to consider using depending on what you're doing... -- -Chuck